[pitboss] phase 12: Track B — Python harness emitter shapes

tests/dynamic_fixtures/python/async/vuln.py

@@ -0,0 +1,21 @@
+"""Phase 12 — async coroutine, vulnerable.
+
+`async def` coroutine that shells out with concatenated user input.
+Nyx harness wraps the call in `asyncio.run`.
+"""
+import asyncio
+import subprocess
+
+
+async def run_ping(host):
+    """Vulnerable async coroutine."""
+    await asyncio.sleep(0)
+    result = subprocess.run(
+        "ping -c 1 " + host,
+        shell=True,
+        capture_output=True,
+        text=True,
+        timeout=5,
+    )
+    print(result.stdout)
+    print(result.stderr, end="")